Frozen Kussharo lake, Hokkaido Prefecture, Japan

Frozen Kussharo lake, Hokkaido Prefecture, Japan

Lake Kussharo in Spring, Hokkaido Prefecture, Japan

Flower Frost on Kussharo lake, Hokkaido Prefecture, Japan

Swans flying and resting over lake, Hokkaido Prefecture, Japan

Swans resting in sand, Hokkaido Prefecture, Japan

Swan flying over frozen lake, Hokkaido Prefecture, Japan

Swan flying over frozen lake, Hokkaido Prefecture, Japan

Swan with tracking device

Shadows on Snow

Swans and goslings in still lake

Four Whooper swans in flight over snowy frozen lake, with hills beyond, Lake Kussharo, Hokkaido, Japan

Three swans on Lake Maggiore, Stresa, Piemonte, Italy

"Heterosexual couple crouching by swans on lake, Lombardy, Italy"

Whooper swans swimming on channel of water beside frozen lake Kussharo with hills in distance, winter afternoon sunlight, Lake Kussharo, Hokkaido, Japan

Single Whooper swan in flight over snowy frozen lake, other swans in channel, close up, motion blur effect, Lake Kussharo, Hokkaido, Japan

Large cygnet standing in flock of Whooper swans in water channel beside frozen lake in late afternoon golden sunlight with steam rising, Lake Kussharo, Hokkaido, Japan

Flock of Whooper swans flying into water channel beside frozen lake in late afternoon golden sunlight with steam rising, Lake Kussharo, Hokkaido, Japan

Whooper swan flying in to join flock of Whooper swans swimming on water channel beside frozen lake in late afternoon golden sunlight, Lake Kussharo, Hokkaido, Japan

Couple feeding swans

Couple feeding swans

Swans on water, Lake Maggiore, Piedmont, Lombardy, Italy

Swans at Lake Kussharo